In Skin

Differential diagnosis of normal appearing skin
21 June 2016

Differential diagnosis of normal skin
superficial fungal infection dermatophytosis tinea versicolor
porokeratosis
ichtyosis vitiligo piebaldism chemical leukoderma nevus depigmentosus
hyperpigmentation café-au-lait macule freckle melasma lentigo
macular amyloidosis
onchocerciasis
dermal melanocytosis
urticaria pigmentosa
argyria
urticaria
anhidrotic ectodermal dysplasia
anetoderma
cutis laxa
connective tissue nevus
dermal mucinosis myxedema (...)
basocellular carcinoma vs trichoblastoma
15 June 2016

Images
basal cell carcinoma (BCC ) vs trichoblastoma. Observe follicular differentiation, stromal cell and cleft formation. https://twitter.com/KUSAURAP/status/742927679951802368
See also
cutaneous tumors
Simulators of squamous cell carcinoma of the skin
15 June 2016

Simulators of squamous cell carcinoma of the skin: diagnostic challenges on small biopsies and clinicopathological correlation. Tan KB, Tan SH, Aw DC, Jaffar H, Lim TC, Lee SJ, Lee YS. J Skin Cancer. 2013;2013:752864. doi:10.1155/2013/752864 . PMID: #23878739# (Free)